The Rock Pool Project in Plymouth says the non-native sea hare looks "alien-like".

Charley Taviner, five, was following a crab when he found what he thought was a huge lump of seaweed. But it turned out to be Aplysia depilans - or the "Mediterranean sea hare" - a species rarely seen ...

A RARE sea creature has been found by a little boy on a popular UK beach. The adventurous five-year-old stumbled up the ...

An alien-like Mola mola surprised surfers as it surfaced along the San Diego coastline, ultimately dying and washing ashore. “A rare Mola mola (ocean sunfish) washed up on our shore at Cardiff State ...

Deep beneath the surface of the ocean lies an extreme marine ecosystem home to submarine volcanoes, an opening in the seafloor erupting with magma to form new crust. Void of light with an immense ...

In the South China Sea, near the Paracel Islands, the aqua-colored waters of an expansive shallow reef platform suddenly gives way to a near vertical shaft of vast darkness – an ocean sinkhole almost ...

The first time Fontella “Faun” Day believes she saw life from another planet, it came from above. It was a cloudy afternoon in Rachel, Nevada, and the phones and computers at the Alien Cowpoke gas ...